JAVA学习笔记05-Character

package day01;

public class CharacterDemo {
    public static void main(String[] args) {
        // char 占用2个字节
        char temp = 'A';
        System.out.println(temp);
        System.out.println((int)temp);
        char t1 = '\''; // 特殊符号有特殊含义,不再是普通的字符了! 结合转义符实用  \
        System.out.println(t1);
        char t2 = '\\';
        System.out.println(t2);

        // 自动转换
        int a = 100;
        long b = a;
        double c = b;

        // 强转
        long a1 = 200000000L;
        int b1 = (int)a1;
        System.out.println(b1);

        long a2 = 2000000000L;
        int b2 = (int)a2;
        System.out.println(b2);

        double e = 3.1415926;
        int r1 = (int)e;
        System.out.println(r1);
    }
}